DCS World Steam Edition

DCS World Steam Edition

Update Failed - Missing files
Hi All, Hope someone can help.
DCS downloaded a 14GB update. It validates the files OK, but fails saying that there are missing downloaded files.
I have tried the process and verifying files multiple times but it still fails to work.
The issue seems to be that it keeps trying to use the same download it already has (which is faulty) so keeps failing.
Does anyone know where this patch that was downloaded would be stored (by default) so that I may delete it to try and force it to do the download again?
Any help would be greatly appreciated
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Showing 1-15 of 16 comments
ZeuS Mar 11, 2023 @ 1:33pm 
I got the same issue
Marcnewton2372 Mar 12, 2023 @ 3:17am 
Originally posted by ZeuS:
I got the same issue
I notice you are in game now... how did you resolve the issue?
WolfNation4800 Apr 8, 2023 @ 6:07am 
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fluffy Apr 12, 2023 @ 11:46am 
I got the same issue. But only when i try to run the open beta version.
bignewy  [developer] Apr 12, 2023 @ 11:52am 
check antivirus is not creating a problem then run a verify in steam.

if you still have problems contact support directly here

https://www.digitalcombatsimulator.com/en/support/
WolfNation4800 Apr 12, 2023 @ 2:32pm 
I got it
WolfNation4800 Apr 12, 2023 @ 2:33pm 
If you recently got a DLC (Which was what I had done), I guess it messes up the games files somehow.
WolfNation4800 Apr 12, 2023 @ 2:33pm 
After reinstalling it 3 times, I just disabled the DLC and it started fine.
WolfNation4800 Apr 12, 2023 @ 2:34pm 
Then I re-installed the DLC and it installed correctly this time
WolfNation4800 Apr 12, 2023 @ 2:35pm 
So if the game broke after adding new DLC, or you added a mod, just disable it and try again
Marcnewton2372 Apr 13, 2023 @ 12:11am 
I got mine working again after multiple uninstall / clean registry / reinstall.
Eventually narrowed it down to the Combined Arms module.
For some reason it will not activate any more and was causing the game to come up with the missing files error whenever DCS had an update.
I have now removed that DLC. Money down the drain but at least the rest of the modules now work.
bignewy  [developer] Apr 13, 2023 @ 12:21am 
Originally posted by Marcnewton2372:
I got mine working again after multiple uninstall / clean registry / reinstall.
Eventually narrowed it down to the Combined Arms module.
For some reason it will not activate any more and was causing the game to come up with the missing files error whenever DCS had an update.
I have now removed that DLC. Money down the drain but at least the rest of the modules now work.

Some antivirus have been flagging combined arms, it is a false positive.

Try adding the combined arms dll to your exception and then run a verify in steam

If you still have problems contact support https://www.digitalcombatsimulator.com/en/support/

thanks
Marcnewton2372 Apr 13, 2023 @ 1:02am 
I already added my whole DCS install folder as an exception.
Didn't make any difference.
I did try the official support but got nowhere. Thanks for your assistance.
Insônia Apr 13, 2023 @ 1:42am 
Generally there are few things may cause download/verify issue.
Corrupted downloading/temp files.
Some file or folder NTFS was set to read-only or inaccessible
Locked by other program like AV scanner.

To me last time there is some weird PDF documents was put into read-only to some NTFS permission group, Steam unable remove or relocated them.

Try put entire steam and it's library into AV exception.

empty steamapps\downloading, steamapps\temp folder, give entire steam and it's library folders and everything within a full access
https://www.google.com/search?q=ntfs+permissions+everyone+full+control
Verify the game then let steam re-download the update
Last edited by Insônia; Apr 13, 2023 @ 2:11am
Marcnewton2372 Apr 13, 2023 @ 2:15am 
I think I'll give it a miss. Everything else works, and if I end up having to do a reinstall its 300+ GB download, and I simply don't need the hassle.
Thanks for the info though.
Much appreciated.
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Date Posted: Mar 11, 2023 @ 4:58am
Posts: 16